DA COSTA, Jacob M., physician, born in the Island of St. Thomas, West Indies, 7 February 1833. His literary and classical education was received in Germany, his medical in Jefferson College, Philadelphia, where he was graduated in 1852, and in the hospitals and schools of Paris and Vienna, where he passed two years. In 1854 he returned to Philadelphia, established himself there in practice, and made a special study of diseases of the heart and lungs. In 1864 he was appointed lecturer on clinical medicine in Jefferson medical College, and in the spring of 1872 was chosen professor of the theory and practice of medicine in the same institution. His contributions to medical literature include "Epithelial Tumors and Cancers of the Skin" (1852); "An Inquiry into the Pathological Anatomy of Acute Pneumonia" (1855); "The Physicians of the Last Century" (1857); "On Serous Apoplexy" (1859); "Medical Diagnosis, with Special Reference to Practical Medicine" (1864); and "Inhalation in the Treatment of Diseases of the Respiratory Passages" (1867). He has also contributed many articles to the "Pennsylvania Hospital Reports," in the" American Journal of the Medical Sciences," and his clinical lectures have appeared in the "Medical and Surgical Reporter" and the "Philadelphia Medical Times."